The exterior of your truck takes the full brunt of road salts, UV rays, and random parking-lot scrapes. Without the right running boards, a tonneau cover, or side steps in place, you are essentially leaving the rocker panels and bed exposed to the elements that accelerate corrosion and diminish resale value.
I’m Amir — the founder and writer behind Four Wheel Ask. I have spent years analyzing truck accessory market data, studying material science reports on stainless steel versus carbon steel corrosion rates, and cross-referencing thousands of verified owner experiences to determine which exterior add-ons deliver real durability without compromising daily usability.
This guide breaks down the core categories—running boards, side steps, and truck bed covers—and helps you match the right product to your specific truck generation. If you are serious about protecting your investment, understanding these details is exactly what makes the difference between a satisfying upgrade and a disappointing one. Here is everything you need to know before picking the best exterior truck accessories.
How To Choose The Best Exterior Truck Accessories
Adding an exterior accessory to your truck isn’t just about looks—it directly affects ground clearance, corrosion longevity, and ease of daily use. Before you buy, you need to match the material, weight capacity, and fitment specs to your exact truck model and driving conditions.
Match Material to Your Climate
Stainless steel resists rust far better than standard carbon steel, making it the safer choice for trucks driven in snowy regions where road salt is heavy. Carbon steel with a textured powder-coat finish offers a rugged matte look and good corrosion resistance if the coating remains intact, but chips and scratches can expose the metal underneath. For tonneau covers, marine-grade vinyl with double stitching outperforms standard vinyl in UV resistance and tear strength over years of sun exposure.
Confirm Cab Size and Bed Length Before Ordering
The most common mistake is assuming a running board or bed cover is universal. Crew cab trucks require longer side steps—typically 82 inches or more—while extended cabs use shorter rails. Tonneau covers are designed for specific bed lengths (5.5 ft, 5.7 ft, 6.5 ft, 8 ft). Even within the same truck generation, a 2019 Silverado 1500 LD uses different mounting points than a 2019 Silverado 1500. Always check the fitment notes for diesel models, as DEF tank placement can block running board brackets.
Weight Capacity and Step Width
Running boards and nerf bars should support at least 450 pounds to accommodate both the driver and a passenger entering simultaneously. Wider step pads (6.5 to 6.75 inches) provide a more stable footing than narrow 3.5-inch tubes, especially when wearing boots in wet conditions. For bed covers, the key number is not weight capacity but whether the cover supports itself when folded—hard tri-fold panels require manual lifting, while soft roll-ups with integrated crossbars offer a neutral buoyancy that makes one-handed operation possible.
Quick Comparison
On smaller screens, swipe sideways to see the full table.
| Model | Category | Best For | Key Spec | Amazon |
|---|---|---|---|---|
| Tyger Auto TG-BC1F9028 | Tonneau Cover | Ford Super Duty 8-ft bed | 24 oz marine-grade vinyl | Amazon |
| Auto Dynasty ADSTEPBZTL8017AD | Running Board | GM Crew Cab, 450 lb capacity | 6.75 in width, Stainless Steel | Amazon |
| AUTOSAVER88 LU2QPH7 | Running Board | 2019-2026 Silverado/Sierra Crew Cab | 6.5 in step pad, 450 lb | Amazon |
| Tyger Auto TG-SS2C35168 | Side Step | Chevy Colorado / GMC Canyon Crew Cab | 3.5 in oval tube, 500 lb | Amazon |
| X XCOVER 513062 | Tonneau Cover | 2015-2025 F150 / Lightning 5.6-ft bed | Built-in crossbars, top-mount | Amazon |
| Tutel TULH016 | Tonneau Cover | Ford F150 5.5-ft bed | EnduraShield polymer panels | Amazon |
| Toptiny HTF011 | Tonneau Cover | Dodge Ram 5.7-ft bed (no Ram Box) | Shine-finished aluminum panels | Amazon |
In‑Depth Reviews
1. Tyger Auto T1 Soft Roll Up Tonneau Cover TG-BC1F9028
The Tyger T1 is engineered for Ford Super Duty owners who need a large 8-foot bed covered reliably. The heavy 24-ounce marine-grade vinyl is significantly denser than the standard 18-ounce material competitors ship, giving it a tauter finish that resists pooling and sagging even after years of summer heat. Built-in horizontal crossbars roll up with the tarp, so there’s no loose hardware to store when you need full bed access for hauling lumber or equipment.
Installation is a no-drill clamp-on affair, though trucks with an over-the-bedrail bedliner will require small cuts at the mounting points. The aircraft-grade aluminum side rails and stainless steel clamps resist corrosion in wet climates, and the adjustable tension system on the rail ends lets you dial out wrinkles as the vinyl settles. The tailgate latch lock provides basic security against opportunistic theft, and the 5-year manufacturer warranty is among the longest in the soft-cover segment.
For an 8-foot bed, this cover delivers a tight seal with Velcro side strips that keep out most rain and dust. The main trade-off is the soft top nature—it won’t support weight on top the way a hard panel would, and a determined thief with a knife can breach the vinyl. But for the combination of bed access speed, weather resistance, and factory-backed durability, the Tyger T1 sets a high bar for full-size Super Duty trucks.
What works
- Marine-grade vinyl with 24 oz density resists sagging and UV cracking
- Crossbars roll up with the tarp for instant full-bed access
- 5-year warranty provides long-term confidence
What doesn’t
- Soft top material is vulnerable to cuts from sharp cargo or theft
- Requires cutting bedliner for over-the-rail types
2. Auto Dynasty 6.75″ Running Boards ADSTEPBZTL8017AD
These Auto Dynasty side steps feature a full stainless steel build with a chrome polished finish and ABS plastic end caps, making them a strong fit for Chevy Silverado and GMC Sierra crew cab models from 2007 through 2019. The 6.75-inch wide step pad is wider than most budget-friendly boards, providing solid footing even when climbing in and out with muddy boots. Each board is rated to support up to 450 pounds, a realistic figure for two- person entry.
The no-drill installation uses vehicle-specific brackets that bolt directly to factory mounting points, an important detail because universal brackets often require shimming. One critical fitment note: these do NOT work with diesel models equipped with a DEF tank, as the tank occupies space where the driver-side bracket mounts. For gasoline-powered GM HD trucks, the 43-pound board assembly feels solid and the stainless steel construction resists the pitting that plagues chrome-plated alternatives after a few winters.
The ABS plastic step inserts provide a slip-resistant texture that holds up better than rubber inserts, which tend to crack and separate over time. The chrome finish is bright and matches factory chrome trim well, though buyers who prefer a low-profile black look will need to look elsewhere. Overall, these are a durable, well-priced solution for owners of 2007-2019 GM crew cabs who prioritize rust resistance and step width.
What works
- Full stainless steel construction prevents rust in salt-belt climates
- Wide 6.75-inch step pad with ABS slip insert feels secure
- Bolt-on installation with vehicle-specific brackets takes under an hour
What doesn’t
- Does not fit diesel models with a DEF tank
- Chrome finish may not suit all truck aesthetics
3. AUTOSAVER88 6.5″ Running Boards LU2QPH7
AUTOSAVER88’s running board strikes a strong balance between price and material quality for the 2019-2026 Silverado and Sierra crew cab generation. The board is stainless steel with a powder-coated silver finish, offering better corrosion protection than painted carbon steel without the premium price of chrome. The 6.5-inch non-slip step pad features injection-molded texture that provides consistent grip, and the 450-pound per-side weight rating matches the class standard for heavy-duty use.
Verified owner reviews on 2021 Trailboss installations confirm that the included instructions are clear—a rare advantage—and the hardware is powder-coated black, giving a uniform appearance under the truck. The one-piece design means there are no welded seams to trap moisture, a common failure point on cheaper multi-piece running boards. The 1-year limited warranty is shorter than some competitors, but the stainless steel substrate makes premature failure unlikely in normal driving conditions.
The main limitation is fitment: it excludes the 2019 1500 LD model, so owners of that specific variant must double-check compatibility. The 42.77-pound set is on the lighter side for metal boards, indicating a thinner gauge steel than some heavy-duty alternatives. For the money, though, buyers get a corrosion-resistant, great-fitting step that installs in under an hour and looks clean on late-model GM trucks.
What works
- Stainless steel build resists rust better than budget-painted boards
- Clear installation instructions included—rare for this price tier
- One-piece seamless design avoids moisture traps
What doesn’t
- Excludes 2019 1500 LD model
- Thinner gauge steel than premium boards
4. Tyger Auto 3.5″ Rider Running Boards TG-SS2C35168
The Tyger Auto Rider series is purpose-built for the mid-size Chevy Colorado and GMC Canyon crew cab, offering a 3.5-inch wide oval tube step that provides a broader footing than traditional round nerf bars. The textured black powder-coat finish over carbon steel is a deliberate choice for off-road aesthetics—it hides scratches from trail debris better than polished chrome. What stands out is the 500-pound weight capacity, 50 pounds higher than the class average, giving added margin for heavier occupants or gear loads.
Installation is a true bolt-on affair with no drilling required, and the brackets allow roughly 11 inches of ground clearance, which matches the Colorado Z71’s stock approach angle requirements. The seamless end-to-end E-coating ensures that moisture cannot enter the tube ends, a weak spot on open-tube designs that rust from the inside out. The 3-year warranty adds confidence, though the carbon steel substrate will eventually rust if the powder-coat layer is chipped down to bare metal in rocky terrain.
The main compromise is the relatively narrow step pad compared to the 6.5-inch boards on full-size trucks. For a Colorado or Canyon, the 3.5-inch width is adequate for entry but less forgiving for people who prefer a full foot-placement surface. The oval shape does help orient the foot naturally, reducing slip. For mid-size truck owners who need a rugged, high-clearance step that matches the truck’s off-road character, this Tyger set is a smart choice.
What works
- 500-pound capacity exceeds standard 450-pound rating
- Seamless E-coating prevents interior tube rust
- Good ground clearance for off-road use
What doesn’t
- 3.5-inch step width is narrow for some boot sizes
- Carbon steel base can rust if coating chips
5. X XCOVER Soft Locking Roll Up Tonneau Cover 513062
X XCOVER’s soft roll-up tonneau cover is engineered with a notable design differentiator: patent-pending built-in crossbars that are permanently attached to the tarp. This means the cover stays flat with no sag between rails, yet rolls up as one unit when you need full bed access for the 5.6-foot bed on 2015-2025 Ford F150 and Lightning models. The top-mount style sits above the bed rails, which improves water runoff compared to flush-mount covers that can pool water around the edges.
Installation is straightforward with heavy-duty adjustable clamps, and the company claims it takes under 20 minutes. The vinyl material is rated for typical weather exposure, but it does not match the 24-ounce density of the Tyger T1. The tailgate locking mechanism secures the cover when the tailgate is closed, providing basic deterrence. The 3-year warranty is decent for the price point, though it falls short of the 5-year coverage offered by Tyger.
The top-mount design has one practical downside: it is not compatible with trucks that already have bed rail accessories like utility racks or caps installed, because the cover needs the rail surface clear for clamping. For F150 or Lightning owners with a clean bed rail, this cover delivers fast roll-up convenience and a tight seal at a price that undercuts many hard tri-fold alternatives. It is a practical pick for those who prioritize bed accessibility over load-bearing capability.
What works
- Built-in crossbars eliminate sag without adding separate parts
- Top-mount design sheds water effectively
- Very fast installation—no drilling required
What doesn’t
- Not compatible with trucks that have existing bed rail accessories
- Vinyl density is thinner than premium marine-grade covers
6. Tutel Hard Shell Folding Tonneau Cover TULH016
Tutel’s hard tri-fold cover for the 2015-2026 Ford F150 5.5-foot bed uses EnduraShield polymer panels—an automotive-grade material that resists dents, fading, and scratches far better than painted aluminum. The polymer also stays noticeably cooler to the touch in direct sun compared to metal panels, which helps reduce interior bed temperatures for sensitive cargo. The aluminum frame and hinges are powder-coated matte black, providing a uniform low-profile appearance that sits nearly flush with the bed rails.
Operation is simple: release the front clamps and the cover folds into thirds, resting against the cab. If full removal is needed, the entire assembly can be lifted off in seconds by loosening the Jaw-Grip clamps—no tools required. Verified owner feedback confirms that the seal keeps out most water, though some report that the corners near the cab have small gaps that benefit from a silicone bead. The Limited Lifetime Warranty is a standout feature at this price point, signaling confidence in the polymer’s long-term durability.
The hard shell construction does add weight compared to a soft cover, and the folded panels block the rear window view slightly while driving. Some users also note that the latches, while secure, feel plastic-heavy and could be more robust. For F150 owners willing to give up the full open-bed roll-up convenience of a soft cover in exchange for load-bearing security (you can place light cargo on top) and dent resistance, the Tutel hard shell is a well-engineered alternative.
What works
- EnduraShield polymer panels resist dents and UV damage
- Full cover removal in seconds with no tools
- Limited Lifetime Warranty adds long-term value
What doesn’t
- Folded panels partially block rear visibility
- Corner seal may need silicone for full water resistance
7. Toptiny Hard Folding Tonneau Cover HTF011
The Toptiny hard tri-fold cover is designed for 2009-2026 Dodge Ram 1500 trucks with the 5.7-foot bed (67.4 inches) without the Ram Box system. The standout feature is the shine-finished aluminum panels, which provide a polished metallic look that matches the factory paint sheen better than matte black alternatives. The aluminum construction is lightweight compared to steel hard covers, making the fold-up and removal process manageable for a single person, though owners with reduced strength should still have a helper on hand.
Weather resistance is handled by upgraded perimeter seals that block heavy rain and snow, and the panel surface is treated to resist UV damage and scratches. Owner reviews consistently praise the fit on fourth-generation Ram 1500 trucks (2009-2018) as well as the newer 2019+ classic models, noting that the cover sits flush without gaps. The Limited Lifetime Warranty matches Tutel’s offering, and customers have reported responsive support for fitment verification before purchase.
The aluminum panels, while attractive, are susceptible to dents from dropped tools or heavy cargo sliding in the bed under hard braking—something the polymer panels of the Tutel handle better. The cover also requires the tailgate to be closed for full security, meaning theft protection depends on your tailgate lock. For Ram 1500 owners who want the polished truck-bed accessory look combined with a hard protective surface and a strong warranty package, the Toptiny delivers a premium visual upgrade.
What works
- Shine-finished aluminum panels provide a polished, upscale appearance
- Excellent fit on 4th- and 5th-gen Ram 1500 bed rails
- Limited Lifetime Warranty with responsive customer support
What doesn’t
- Aluminum panels can dent from heavy impacts
- Security relies entirely on the tailgate lock
Hardware & Specs Guide
Step Width and Clearance
Running board width directly affects footing stability. Narrow nerf bars (3.5 inches) are common on mid-size trucks where ground clearance is prioritized—they tuck close to the rocker panel and offer around 11 inches of ground clearance. Full-size crew cab running boards typically span 6.5 to 6.75 inches wide, giving the driver a more confident platform for entry and exit. The trade-off is that wider boards sit slightly lower and can reduce effective break-over angle on uneven terrain.
Tonneau Cover Material Density
Soft roll-up covers are graded by the weight of the vinyl per square yard. Standard covers use 18-ounce vinyl, while premium marine-grade units use 24-ounce or heavier material, offering superior tear resistance, UV stability, and a drum-tight fit that prevents flapping at highway speed. Hard covers split into two camps: polymer composite panels resist dents and stay cool in sunlight, while aluminum panels deliver a polished aesthetic but are vulnerable to denting from concentrated impacts.
FAQ
Do running boards for a 2019 Silverado fit a 2023 model year?
Can a hard folding tonneau cover support weight on top for roof racks?
Will stainless steel running boards rust if I drive on salted roads every winter?
Final Thoughts: The Verdict
For most buyers, the best exterior truck accessories winner is the Tyger Auto T1 Soft Roll Up Tonneau Cover because it combines heavy marine-grade vinyl, integrated crossbars, and a 5-year warranty into a single product that protects an 8-foot bed without sacrificing quick access. If you need corrosion-resistant running boards for a full-size GM crew cab, grab the Auto Dynasty 6.75″ Running Boards. And for a dent-resistant hard shell cover on an F150 with the 5.5-foot bed, nothing beats the Tutel Hard Shell Folding Cover.
Certification: BSc in Mechanical Engineering
Education: Mechanical engineer
Lives In: 539 W Commerce St, Dallas, TX 75208, USA
Md Amir is an auto mechanic student and writer with over half a decade of experience in the automotive field. He has worked with top automotive brands such as Lexus, Quantum, and also owns two automotive blogs autocarneed.com and taxiwiz.com.